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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8967996 B1

PDFFull Text
Date of Patent:
Mar. 03, 2015

Filed:

Feb. 19, 2010

Combustion controller

Applicants:

Masazumi Tanoura, Tokyo, JP;

Kenji Muta, Tokyo, JP;

Shinichiro Asami, Tokyo, JP;

Eiji Kato, Tokyo, JP;

Tadashi Aoki, Tokyo, JP;

Koutaro Fujimura, Tokyo, JP;

Tetsuya Sawatsubashi, Tokyo, JP;

Chisato Tsukahara, Tokyo, JP;

Shinsaku Dobashi, Tokyo, JP;

Inventors:

Masazumi Tanoura, Tokyo, JP;

Kenji Muta, Tokyo, JP;

Shinichiro Asami, Tokyo, JP;

Eiji Kato, Tokyo, JP;

Tadashi Aoki, Tokyo, JP;

Koutaro Fujimura, Tokyo, JP;

Tetsuya Sawatsubashi, Tokyo, JP;

Chisato Tsukahara, Tokyo, JP;

Shinsaku Dobashi, Tokyo, JP;

Assignee:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Avinash Savani

Int. Cl.
CPC ...
F23L 9/04 (2006.01); F22B 21/40 (2006.01); F22B 37/02 (2006.01); F23C 5/32 (2006.01); F23N 3/00 (2006.01); F23N 5/00 (2006.01); F23N 5/08 (2006.01);
U.S. Cl.
CPC ...
F23L 9/04 (2013.01); F22B 21/40 (2013.01); F22B 37/025 (2013.01); F23C 5/32 (2013.01); F23N 3/002 (2013.01); F23N 5/003 (2013.01); F23N 5/082 (2013.01); F23C 2201/101 (2013.01); F23N 2021/10 (2013.01); F23N 2041/10 (2013.01);
Abstract

The combustion controller controls the fuel and air that are supplied to the combustion furnace for burning substances, and addresses the aforementioned object by including: fuel supply unit for supplying fuel and air into the combustion furnace; air supply unit for supplying air into the combustion furnace, the air supply unit being disposed downstream of the fuel supply unit in the direction of flow of combustion air; concentration measuring unit for measuring the concentration of hydrogen sulfide of the combustion air by passing a measurement beam of light through the combustion air at a measurement position downstream of the fuel supply unit in the direction of flow of the combustion air; and control unit for controlling the amount of air supplied from the fuel supply unit based on a measurement result provided by the concentration measuring unit.

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